package com.qf.demo;

/**
 * projectName: Demo1
 *
 * @author dongshihao
 * Date:2021/9/22   14:35
 * description: 约瑟夫坏
 */
public class Demo4 {


    public static void main(String[] args) {
        System.out.println((1+2)*3-1*2);
    }
    /**
     * 双向链表
     * @param <T>
     */
    static class Node<T>{
        T value;
        Node<T> next;
        Node<T> prev;
    }
}
